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Fig. 4. Tissue distribution of mRNAs encoding (A) NKCC1a, (B) NKCC1b, (C) NKCC2,
(D) NCC, (E) NHE3 and (F) vacuolar-type H+-ATPase A-subunit in
Mozambique tilapia acclimatized to freshwater (FW) and seawater (SW),
quantified using real-time PCR. The yolk-sac membrane of embryos 4 days after
fertilization (YSM), adult gills, kidney, intestine and brain were examined.
Each value represents the mean ± s.e.m., N=7 (YSM) and
N=3 (adult tissues). The data were normalized to the
highest-expressing tissue for each gene, which were assigned an arbitrary
value of 1.